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dimethylformamide
I'm not a chemist either, but here goes what I know:
DMF and acetone are not the same thing ... |
8-7-2005 at 03:44
by: Tacho |
Photochlorination apparatus, setup of multiple UV LED lights, help please...
Bromic,
You [b]need[/b] to use those resistors, sorry. The led needs a constant current to work. ... |
6-7-2005 at 03:22
by: Tacho |
DIY magnetic stirrer
[quote][i]Originally posted by GreatHampton[/i]
Been thinking about a stepper motor myself. Thing i ... |
7-6-2005 at 04:24
by: Tacho |
Geopolymeres
This sounds interesting. Isn't there a recipe somewhere? I presume it's made of aluminum- ... |
6-6-2005 at 08:33
by: Tacho |
Voltage Data to text file
Uber luminal,
1) The LM35 is a 3 pin chip (looks like a transistor) thermometer that converts deg ... |
2-6-2005 at 05:51
by: Tacho |
DIY magnetic stirrer
I tried to make a driver circuit for the spindle motor, but it didn't work. I used variations o ... |
1-6-2005 at 05:04
by: Tacho |
DIY magnetic stirrer
TheBear,
That spindle motor runs at something close to 3.000RPM. I wish you luck, but I see big ... |
30-5-2005 at 13:00
by: Tacho |
Copper electroplating
12AX7,
Bright copper deposit is not easy to get. There is lots of info on the net, but I did some ... |
17-5-2005 at 12:54
by: Tacho |
Would H2S reduce nitro groups to amines?
For instance, would nitrobenzene become aniline by passing a stream of (very poisonous) H2S? Or woul ... |
10-5-2005 at 04:35
by: Tacho |
Magnetic stirrer made from broken diskdrive.
Almost all you need to make a magnetic stirrer is in that old HDD you just didn't have the cour ... |
8-5-2005 at 09:09
by: Tacho |
methyl iodide
I'm afraid that editing will remove my attachment so I'm making a new post:
Notes- 1 - ... |
4-5-2005 at 04:56
by: Tacho |
methyl iodide
[quote][i]Originally posted by PainKilla[/i]
I plan on making some methyl iodide too, probably foll ... |
4-5-2005 at 04:47
by: Tacho |
Purification of silver nitrate
Recrystalization from water! Check [url=http://67.15.145.24/~sciencem/talk/viewthread.php?tid=2051]t ... |
12-4-2005 at 11:13
by: Tacho |
Metal Powders
Vitamin C. Look [url=http://67.15.145.24/~sciencem/talk/viewthread.php?tid=2654&page=1]here.[/ur ... |
1-4-2005 at 08:18
by: Tacho |
Best rust inhibitor for vacuum station.
Interesting. I did some experiments with electroless nickel deposition and posted the results somewh ... |
28-3-2005 at 04:46
by: Tacho |
Best rust inhibitor for vacuum station.
Thanks folks!
I did several experiments using large steel nails to test all sugestions and this i ... |
26-3-2005 at 03:11
by: Tacho |
Best rust inhibitor for vacuum station.
My [url=http://67.15.145.24/~sciencem/talk/viewthread.php?tid=437&page=1]vacuum station[/url] &# ... |
23-3-2005 at 05:10
by: Tacho |
Thin layer chromatography (TLC)
frogfot,
I´m glad to see that someone with a hands-on aproach is researching homebrew TLC. I gav ... |
13-3-2005 at 04:02
by: Tacho |
heat tape
Magpie, take a look at [url=http://www.sciencemadness.org/talk/viewthread.php?tid=1585]http://www.sc ... |
18-2-2005 at 03:01
by: Tacho |
BIODIESEL - cheapen your gasoline
I’m attaching a wonderful work done by Adam Kahn about biodiesel’s chemistry. It’s very compre ... |
6-1-2005 at 02:34
by: Tacho |
Sodium Ethoxide and anhydrous EtOH
I am currently trying to turn a bromo benzaldehyde into a methoxy benzadehyde by leaving the bromo b ... |
10-12-2004 at 02:27
by: Tacho |
Pressurized Gas production.
Wow! That’s a beauty!
Congratulations! You have a future in engineering.
Tell the other members ... |
3-12-2004 at 02:08
by: Tacho |
Polymer of castor oil + sulfur
I have this book that swears to God that ricin oil reacts with sulfur to make a polymer (maybe rubbe ... |
1-12-2004 at 07:48
by: Tacho |
castable refractory mixtures
Water glass is sodium silicate.
IIRC, if you add NaOH or HCl to it's solution, you end up wi ... |
1-12-2004 at 04:45
by: Tacho |
castable refractory mixtures
There has been extensive discussion on this subject, mostly in furnace & foundry threads. A sear ... |
30-11-2004 at 08:24
by: Tacho |
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